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From GitBox <...@apache.org>
Subject [GitHub] [flink] wangyang0918 commented on a change in pull request #10965: [FLINK-15797][k8s] Reduce log noise of Fabric8FlinkKubeClient
Date Fri, 31 Jan 2020 13:59:58 GMT
wangyang0918 commented on a change in pull request #10965: [FLINK-15797][k8s] Reduce log noise
of Fabric8FlinkKubeClient
URL: https://github.com/apache/flink/pull/10965#discussion_r373491974
 
 

 ##########
 File path: flink-kubernetes/src/main/java/org/apache/flink/kubernetes/kubeclient/Fabric8FlinkKubeClient.java
 ##########
 @@ -269,14 +271,14 @@ public void eventReceived(Action action, Pod pod) {
 						callbackHandler.onDeleted(Collections.singletonList(new KubernetesPod(flinkConfig,
pod)));
 						break;
 					default:
-						LOG.info("Skip handling {} event for pod {}", action, pod.getMetadata().getName());
+						LOG.debug("Ignore handling {} event for pod {}", action, pod.getMetadata().getName());
 						break;
 				}
 			}
 
 			@Override
 			public void onClose(KubernetesClientException e) {
-				LOG.error("Pods watcher onClose", e);
+				LOG.debug("The pods watcher is closing.", e);
 
 Review comment:
   @GJL It is a very nice catch. Currently, i do not think the watcher will be stopped even
some exception occurs. Since the default value of `watchReconnectLimit` is -1. That means
the `WatchConnectionManager` will always reconnect. The only one case is the `WatchConnectionManager#close()`
by expected.
   
   However, if the `watchReconnectLimit` is configured by users via java properties or environment,
the watch may be stopped and all the changes will not be processed properly. I will create
a new ticket to track this. A fatal exception will be thrown when the watcher is closed.

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